void fmt_11_cpp(bool condition)
{
    int result = 1;

    // 单行条件语句也加大括号
    if (condition)
        result = result + 1;

    // 循环体应该加上大括号
    for (int ind = 0; ind < 5; ind++)
        result = result + ind;

    // 容易让人误解循环体是 result = result + 1
    while (condition);
        result = result + 1;
}